Cristal ball, in Egypt

Description

This is a documentary video from BBC that show us a group of scientist try to solve a mystery in Egypt. They are searching to find why there are clear stone there and what is actually the process of creating those stones. In the past a fireball has collision with the earth, in that part of the Egypt where the clean stone are found. It looks that some gases might causes the stone to become clear but till now this process remained as a mystery that this group of scientists are trying to solved this mystery. The power of the collision of mentioned fireball by an idea o one scientists were 1000 times more that the power of atomic bomb.